//app.js
App({
  onLaunch: function () {
    // 展示本地存储能力
    var logs = wx.getStorageSync('logs') || [];
    logs.unshift(Date.now());
    wx.setStorageSync('logs', logs);
    // console.log("launch", this.globalData);
    var today=wx.getStorageSync('today') || null;//去掉空字符串的情况
    // console.log(today);
    this.globalData.today=today;

    // 登录
    wx.login({
      success: res => {
        // 发送 res.code 到后台换取 openId, sessionKey, unionId
        wx.getLocation({
          success: res => {
            this.globalData.hasLocation = true;
            this.globalData.longitude = res.longitude;
            this.globalData.latitude = res.latitude;
          },
          fail: res => { this.globalData.hasLocation = false }
        })//end getLocation

        console.log("login", this.globalData);
      }
    })//end login

    // 获取用户信息
    wx.getSetting({
      success: res => {
        if (res.authSetting['scope.userInfo']) {
          // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框
          wx.getUserInfo({
            success: res => {
              // 可以将 res 发送给后台解码出 unionId
              this.globalData.userInfo = res.userInfo

              // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
              // 所以此处加入 callback 以防止这种情况
              if (this.userInfoReadyCallback) {
                this.userInfoReadyCallback(res)
              }
            }
          })//end getUserInfo
        }//end if
        console.log("getSetting", this.globalData);
      }
    })//end getSetting
  },
  globalData: {
    userInfo: null,
    hasLocation: false,
    longitude: null,
    latitude: null,
    today: null,
  }
})